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Class 219/78.02 - By solid-state bonding (e.g., diffusion)


Subclass of Class 219 - Electric heating
Definition: Subject matter wherein the workpiece joint interface coalescence
No. of patents: 43
Last issue date: 02/02/2010


1    
NumberTitleIssue Date
7655879Method for producing permanent integral connections of oxide-dispersed (ODS) metallic materials or components of oxide-dispersed (ODS) metallic materials by welding
A method for producing permanent integral connections of oxide-dispersed metallic materials by welding. The materials or components to be connected are overlapped to form an overlapping region in a joining region of the overlapping region. The materials or component...
02/02/2010
7355142Resistance welding electrode, welded copper flex lead, and method for making same
A method and an electrode for welding a stranded metal workpiece to a substrate workpiece using electrical-resistance welding is provided and a weldment article of manufacture made thereby. More particularly, the method and electrode are best suited for welding a st...
04/08/2008
7322187Metallurgical powder compositions and articles and methods utilizing the same
The metallurgical powder composition suspensions of the present invention include a magnetic powder having an outer oxide layer suspended in a carrier fluid. Magnetic powders include iron-based powders, such as for example, powders of iron pre-alloyed with other ele...
01/29/2008
7229598Diffusion bonded metallic catalyst carrier and production thereof
A honeycomb body, which is composed in such a manner that a strip of corrugated foil made of heat-resistant stainless steel containing aluminum and a strip of flat foil made of stainless steel are alternately wound or laminated on each other, is incorporated into an...
06/12/2007
7178307Reinforced shelf structure and method
A composite corrugated panel is provided comprising a first corrugated panel defining a first corrugation height joined to a second corrugated panel defining a second corrugation height, the joined panels defining a cross sectional thickness that is preferably less ...
02/20/2007
7153758Anodic bonding method and electronic device having anodic bonding structure
In anodic bonding between a conductor or semiconductor and glass, in order to attain good adhesion at a lower bonding temperature than usual and improve the toughness at its boundary to obtain higher reliability for a bonded portion even in a case where bonded membe...
12/26/2006
7115182Anodic bonding process for ceramics
A method of bonding components comprising the following steps. At least a first ceramic component and a second ceramic component are provided. A first conductive layer is formed over the upper surface of the first ceramic component. An intermediate film is formed ov...
10/03/2006
7051794Vapor-liquid separating type heat pipe device
A vapor-liquid separating type heat pipe device includes a heat sink member mountable on a heat source, tubular outer and inner bodies, a heat transfer fluid, a top vapor passage, and a bottom liquid passage. The outer body has an outer peripheral wall defining an i...
05/30/2006
7038160Method for producing permanent integral connections of oxide-dispersed (ODS) metallic materials or components of oxide-dispersed (ODS) metallic materials by welding
A method for producing permanent integral connections of oxide-dispersed metallic materials by welding. The materials or components to be connected are overlapped to form an overlapping region in a joining region of the overlapping region. The materials or component...
05/02/2006
7013955Flexible loop thermosyphon
A flexible loop thermosyphon is provided having a flexible, hermetic, outer tube and a flexible, non-hermetic, inner tube, positioned concentrically within the outer tube, forming an annulus between the outer tube and inner tube. The annulus acts as a vapor conduit ...
03/21/2006
7005620Piston and method of manufacture
A piston particularly adapted for heavy-duty diesel engine applications is fabricated from separate parts having circumferentially extending joining surfaces that are heated prior to bonding to an elevated temperature sufficient to enable bonding of the joining surf...
02/28/2006
6992261Sputtering target assemblies using resistance welding
A method of forming a sputtering target assembly and other metal articles is described. Sputtering target assemblies and metal articles are also described. The method includes bonding a sputter target to a backing plate using resistance heating or welding to bond as...
01/31/2006
6939778Method of joining an insulator element to a substrate
Bonding methods and articles produced thereby are provided wherein an insulator, such as glass, is bonded to a solder with the assistance of an electric field. ...
09/06/2005
6899265Electric joining method and apparatus and a joined unit of members
Disclosed is a novel electric joining method and apparatus that can overcome the defects associated with the prior art while taking advantage of the technology for the pulse excited sintering process such as spark plasma sintering process or the hot-press joining pr...
05/31/2005
6814544Method for manufacturing turbine blade and manufactured turbine blade
In a joining method for manufacturing a rotor blade by joining a plurality of members, the members are pressed so as to exert a predetermined pressure on the bonding interface. A pulse voltage is applied to the members to pass electric current therethrough, and the ...
11/09/2004
6642471Method for the projection welding of high-carbon steels and high-tension low-alloy steels
This invention provides an improved method of projection welding which enables the sound welding of high-carbon, and high-tension low-alloy steels. A spacer is disposed between two parts to be joined by projection welding. At least one of the parts is mad...
11/04/2003
6605794Methods for resistance cladding and welding on hot crack susceptible materials
Electrical resistance welding with low heat input in conjunction with applied forces effecting compressive forces in the weld are utilized to weld materials sensitive to hot cracking. An electrode coupled with a force applicator performs a low heat input ...
08/12/2003
6552292Metal welding method and metal bonding structure
When a seat (3) (FIG. 6A) on which a wax layer (7) is formed via a melting reaction layer (5) is brought into contact with a head (2) and heated and pressed in this state, a melting reaction layer (6) forms below the wax layer (FIG. 6B). When electric cur...
04/22/2003
6525289Piston for magneto-rheological fluid systems and method for its manufacture
The piston for a magneto-rheological fluid system is manufactured from a piston skirt of a material having a high magnetic permeability and a piston plate which closes one end of the piston skirt having a low magnetic permeability and therefore must be ma...
02/25/2003
6515250Electric joining method and apparatus and a joined unit of members
Disclosed is a novel electric joining method and apparatus that can overcome the defects associated with the prior art while taking advantage of the technology for the pulse excited sintering process such as spark plasma sintering process or the hot-press...
02/04/2003
6417478Method for anodic bonding
To provide an anodic bonding method which can favorably bond between members different in thermal expansion coefficient. In an anodic bonding method of applying a voltage to and bonding between a first member 10 having a bonding film 11 on a bonding surfa...
07/09/2002
6234378Solid liquid inter-diffusion bonding for ring laser gyroscopes
A method for bonding a gyroscope component to a gyroscope body using the solid liquid Inter Diffusion (SLID) process. The resulting bond structure has a larger operating range than the bonding-materials used to create to bond. Mating material layers may b...
05/22/2001
6222150Joined metal member and a method and an apparatus for fabricating the same
The present invention provides a method for joining two metal members into a joined metal member. The method comprise steps of; applying a brazing material having a higher melting point than both the members on the surface of a first metal member and heat...
04/24/2001
6160237Friction welding process for mounting blades of a rotor for a flow machine
The invention is directed to a friction welding process for mounting blades of a rotor for a flow machine. A plurality of oblong welding surfaces are provided at a circumferential surface of a carrier and are respectively welded to a welding surface of a ...
12/12/2000
5796065Apparatus for producing contact/connection member for electric and electronic parts
An apparatus for producing a contact/connection member for electronic parts has a base material supply unit for continuously supplying a flexible belt-shaped base material, a wire material supply unit for continuously supplying a precious metal wire mater...
08/18/1998
5519182Galled joints made with electric heating
A method involving galling for securing against lateral motion two bodies held in face-to-face asperity contact, thereby to make a join between the two bodies, in which in the preferred form of the method there is inserted into the interface of the surfac...
05/21/1996
5396042Anodic bonding process and method of producing an ink-jet print head using the same process
A method of producing an ink-jet print head comprises the step of joining a head base to a vibrating plate without use of any adhesive and has a sufficient joining strength even if the joining layers are formed to be as thin as possible. The joining proce...
03/07/1995
5330097Hot diffusion welding method
A hot diffusion welding method wherein a first part generally made from a material different from a second part and the second part made from copper alloy are united with an insert material interposed between the joint faces thereof under a heated and pre...
07/19/1994
5226579Process for explosively bonding metals
A process for using explosion bonding to produce a metal composite. The explosion bonding produces a substantially diffusionless metallurgical bond between the layers. In one aspect, the ductility of at least one of the layers being bonded is increased by...
07/13/1993
5187340Method for welding at least one region of an overlay sheet to a receiving surface of a carrier layer
A method for welding at least one region of an overlay sheet (16) to a receiving surface of a carrier layer (14) by means of high frequency energy. In the method, on the surface remote from the receiving surface of the carrier layer (14) a foil (12) of el...
02/16/1993
4988037Method and apparatus for superplastic forming and diffusion bonding of hollow parts
A method and apparatus for superplastic forming and diffusion bonding of hollow metal parts. A forming assembly is prepared by surrounding a hollow tool (typically having a frusto-conical exterior) with a part blank having a corresponding shape, attaching...
01/29/1991
4918281Method of manufacturing lightweight thermo-barrier material
A method of manufacturing thermal barrier structures comprising at least three inner dimpled cores separated by flat plate material and having outer surfaces of the flat plate material, all elements being joined together by liquid interface diffusion (LID...
04/17/1990
4896813Method and apparatus for cold rolling clad sheet
Metals to be bonded are drawn from pay-off reels and passed around holding rollers which are grounded cathodes, each roller being partially exposed in an etching chamber having an anode area at least three times the exposed area of the cathode. Each chamb...
01/30/1990
4889276Method and apparatus for forming and bonding metal assemblies
A method and apparatus for forming and bonding metal assemblies using an internally heated chamber. The parts can be both superplastic formed and diffusion bonded to other parts. A closable chamber contains a heating element near the chamber center. A cer...
12/26/1989
4829152Method of resistance welding a porous body to a substrate
A method for resistance welding a metallic porous body, comprised of a plurality of metallic components arranged in a three dimensional matrix so as to have interconnecting pores or voids formed between said components, to a metallic substrate. The porous...
05/09/1989
4764654Process and apparatus for treating electrically conductive matrices and products produced by the process
A process for the fusion of a second conductive element into the matrix of a first conductive element is provided in which the second element either as a solid or as a dissociable solution is placed in contact with the first conductive element and subject...
08/16/1988
4703159Method of manufacturing lightweight thermo-barrier material
A method of manufacturing thermal barrier structures comprising at least three dimpled cores separated by flat plate material with the outer surface of the flat plate material joined together by diffusion bonding....
10/27/1987
4689465Process for producing a coherent bond between thin metal surfaces
A coherent bond is formed for thin metallic sheets by hot press welding an auxiliary deformable material to the sheets to be bonded together. During application of a force to the deformable material, the oxide layer on the metallic structural elements is ...
08/25/1987
4645898Powder welding of two members
Method and apparatus for joining two elongated members, such as rails, together by holding the rail ends in fixed relationship respective to one another while ramming powder metal between the confronting ends of the rails. Current flow occurs across the c...
02/24/1987
4493964Method of joining electrically conductive members
A method of joining a plurality of electrically conductive members is disclosed which comprises the steps of placing the metal members in stack between a pair of electrodes, heating the members to a predetermined temperature range by feeding an electric c...
01/15/1985
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